The main objective of this project is examining whether there is a relationship between preterm delivery and parental' problematic emotional bond in the early postpartum period.

The secondary outcomes are as follows:

• To evaluate whether there are any differences and similarities between fathers' and mothers' level of parental bonding, stress, anxiety, and depression symptoms in case of premature birth.
• To evaluate whether there is a relationship between preterm delivery and the persistence of maternal' problematic emotional bond three months after childbirth.
• To indicate what kind of predictors might affect the parental' problematic bond in the early postpartum period.

Inclusion Criteria:

• Parents of children born below the 37th week of pregnancy (clinical group) or above the 37th week of pregnancy (control group) hospitalised in a neonatal setting during recruitment period
• Which agreed participating to the study after having complete information about it and sign a consent.

Exclusion Criteria:

• Parents may not participate in the study if one of them suffers from a serious mental illness.

The investigators will approach parents of preterm babies (born before 37 weeks of pregnancy) and parents of babies born on time (over 37 weeks of pregnancy). Patients will be recruited for the study after delivery and will be enrolled after giving their written consent to participate in the study.